Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/40366

40366

ZIP 40366 is Preston, Kentucky, in Bath County; area code 606; Eastern time.

Type
No street area
Time zone
America/New_York
County
Bath
Metro area
Mount Sterling, KY
Coordinates
38.0867, -83.7571

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 40360, whose figures describe that area — not this ZIP code.

☼ Live from 40366 — Preston, KY

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 40366 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 40366
  • 🔢 Type 40366 into a pocket calculator and turn it upside down: ggEOh — not quite a word, sorry.
  • ➕ As a number, 40,366 = 2 × 20183. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001110110101110
  • 🏠 Its numerical neighbours: 40363 (Perry Park, KY, 74 mi away) and 40370 (Sadieville, KY, 47 mi away).
  • 🔄 Backwards, 40366 becomes 66304, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (03466, 30646, 30664, 34606, 34660, 36046, …). The farthest-flung twin is 34660 in Ozona, FL, 695 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther east than 61%.
  • 🎯804 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 40366 and you would come out at 38.09°S, 96.24°E — 1,185 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
🌙 The sky over 40366 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 40366

ZIPCityDistance
40334 Hope, KY 4.3 mi
40358 Olympia, KY 4.5 mi
40360 Owingsville, KY 5.6 mi
40346 Means, KY 6.9 mi
40371 Salt Lick, KY 8.8 mi
40353 Mount Sterling, KY 10.5 mi
40337 Jeffersonville, KY 11.3 mi
40374 Sharpsburg, KY 11.9 mi
40322 Frenchburg, KY 12.5 mi
40319 Farmers, KY 12.7 mi

Find every ZIP code within 10 miles of 40366 →

Questions about this ZIP code

Where is ZIP code 40366?

40366 is in Preston, Kentucky, in Bath County, part of the Mount Sterling, KY micropolitan area. Its published point location is 38.0867, -83.7571.

What county is 40366 in?

40366 lies in Bath County.

What area code is 40366?

Preston uses area code 606, from NANPA's telephone records.

What time zone is 40366 in?

40366 uses America/New_York.

What ZIP codes are near 40366?

The closest are 40334 (4.3 mi), 40358 (4.5 mi), 40360 (5.6 mi), 40346 (6.9 mi) and 40371 (8.8 mi).

Is 40366 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “40366 ZIP Code — Preston, Kentucky (Bath County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40366

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/40366.json

Underlying data is public domain or openly licensed — sources, vintages and licences.